title: Effect of nitroglycerin and nifedipine on subendocardial perfusion in the presence of a flow-limiting coronary stenosis in the awake dog.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D003326:Coronary Circulation / Q000187:drug effects*; D003327:Coronary Disease / Q000188:drug therapy*; D004285:Dogs; D004699:Endocardium / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D009543:Nifedipine / Q000627:therapeutic use*; D005996:Nitroglycerin / Q000627:therapeutic use*; D010100:Oxygen / Q000097:blood; D011725:Pyridines / Q000627:therapeutic use*; D014664:Vasodilation / Q000187:drug effects
chemical_list: D011725:Pyridines; D005996:Nitroglycerin; D009543:Nifedipine; D010100:Oxygen